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431c187a60
* WIP implemented is_compatible hide Footer::from_bytes from public consumption - only found Footer::extract used outside the module Add a new error type for IncompatibleIndex add a prototypical call to footer.is_compatible() in ManagedDirectory::open_read to make sure we error before reading it further * Make error handling more ergonomic Add an error subtype for OpenReadError and converters to TantivyError * Remove an unnecessary assert it's follower by the same check that Errors instead of panicking * Correct the compatibility check logic Leave a defensive versioned footer check to make sure we add new logic handling when we add possible footer versions Restricted VersionedFooter::from_bytes to be used inside the crate only remove a half-baked test * WIP. * Return an error if index incompatible - closes #662 Enrich the error type with incompatibility Change return type to Result<bool, TantivyError>, instead of bool Add an Incompatibility enum that enriches the IncompatibleIndex error variant with information, which then allows us to generate a developer-friendly hint how to upgrade library version or switch feature flags for a different compression algorithm Updated changelog Change the signature of is_compatible Added documentation to the Incompatibility Added a conditional test on a Footer with lz4 erroring